1.

Give two differences between heartwood and sapwood.

Answer»

Differences between Sapwood or Alburnum and Heartwood or Duramen:

Sapwood (Alburnum)Heartwood (Duramen)
1. It is outer wood of an old stem.1. It is the central wood of an old stem.
2. It is light coloured.2. Heartwood is dark coloured.
3. Living cells are present.3. Living cells are absent.
4. Sapwood is the functional part of the secondary xylem or wood.4. Heartwood is the non-functional part of secondary xylem.


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